content: /**
   * Copyright (c) 2016-present, RxJava Contributors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in
   * compliance with the License. You may obtain a copy of the License at
   *
   * http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software distributed under the License is
   * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See
   * the License for the specific language governing permissions and limitations under the License.
   */
  
  package io.reactivex.flowable.subscribers;
  
  import static org.junit.Assert.fail;
  
  import java.util.concurrent.atomic.AtomicInteger;
  
  import org.junit.*;
  import org.reactivestreams.Subscription;
  
  import io.reactivex.common.RxJavaCommonPlugins;
  import io.reactivex.common.exceptions.TestException;
  import io.reactivex.common.functions.Consumer;
  
  public class SafeSubscriberWithPluginTest {
      private final class SubscriptionCancelThrows implements Subscription {
          @Override
          public void cancel() {
              throw new RuntimeException();
          }
  
          @Override
          public void request(long n) {
  
          }
      }
  
      @Before
      @After
      public void resetBefore() {
          RxJavaCommonPlugins.reset();
      }
  
      @Test
      @Ignore("Subscribers can't throw")
      public void testOnCompletedThrows() {
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onComplete() {
                  throw new TestException();
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          try {
              safe.onComplete();
              fail();
          } catch (RuntimeException e) {
              // FIXME no longer assertable
              // assertTrue(safe.isUnsubscribed());
          }
      }
  
      @Test
      public void testOnCompletedThrows2() {
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onComplete() {
                  throw new RuntimeException(new TestException());
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
  
          try {
              safe.onComplete();
          } catch (RuntimeException ex) {
              // expected
          }
  
          // FIXME no longer assertable
          // assertTrue(safe.isUnsubscribed());
      }
  
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginException() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) {
                  throw new RuntimeException();
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onComplete() {
                  throw new TestException();
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
  
          safe.onComplete();
      }
  
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginExceptionWhileOnErrorUnsubscribeThrows() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              int calls;
              @Override
              public void accept(Throwable e) {
                  if (++calls == 2) {
                      throw new RuntimeException();
                  }
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new SubscriptionCancelThrows());
  
          safe.onError(new TestException());
      }
  
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginExceptionWhileOnErrorThrowsNotImplAndUnsubscribeThrows() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              int calls;
              @Override
              public void accept(Throwable e) {
                  if (++calls == 2) {
                      throw new RuntimeException();
                  }
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onError(Throwable e) {
                  throw new RuntimeException(e);
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new SubscriptionCancelThrows());
  
          safe.onError(new TestException());
      }
  
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginExceptionWhileOnErrorThrows() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              int calls;
              @Override
              public void accept(Throwable e) {
                  if (++calls == 2) {
                      throw new RuntimeException();
                  }
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onError(Throwable e) {
                  throw new RuntimeException(e);
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
  
          safe.onError(new TestException());
      }
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginExceptionWhileOnErrorThrowsAndUnsubscribeThrows() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              int calls;
              @Override
              public void accept(Throwable e) {
                  if (++calls == 2) {
                      throw new RuntimeException();
                  }
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onError(Throwable e) {
                  throw new RuntimeException(e);
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new SubscriptionCancelThrows());
  
          safe.onError(new TestException());
      }
      @Test(expected = RuntimeException.class)
      @Ignore("Subscribers can't throw")
      public void testPluginExceptionWhenUnsubscribing2() {
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              int calls;
              @Override
              public void accept(Throwable e) {
                  if (++calls == 3) {
                      throw new RuntimeException();
                  }
              }
          });
  
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onError(Throwable e) {
                  throw new RuntimeException(e);
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new SubscriptionCancelThrows());
  
          safe.onError(new TestException());
      }
  
      @Test
      @Ignore("Subscribers can't throw")
      public void testPluginErrorHandlerReceivesExceptionWhenUnsubscribeAfterCompletionThrows() {
          final AtomicInteger calls = new AtomicInteger();
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) {
                  calls.incrementAndGet();
              }
          });
  
          final AtomicInteger errorCount = new AtomicInteger();
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
              @Override
              public void onError(Throwable e) {
                  errorCount.incrementAndGet();
              }
          };
          final RuntimeException ex = new RuntimeException();
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new Subscription() {
              @Override
              public void cancel() {
                  throw ex;
              }
  
              @Override
              public void request(long n) {
  
              }
          });
  
  //        try {
  //            safe.onComplete();
  //            Assert.fail();
  //        } catch(UnsubscribeFailedException e) {
  //            assertEquals(1, calls.get());
  //            assertEquals(0, errors.get());
  //        }
      }
  
      @Test
      @Ignore("Subscribers can't throw")
      public void testPluginErrorHandlerReceivesExceptionFromFailingUnsubscribeAfterCompletionThrows() {
          final AtomicInteger calls = new AtomicInteger();
          RxJavaCommonPlugins.setErrorHandler(new Consumer<Throwable>() {
              @Override
              public void accept(Throwable e) {
                      calls.incrementAndGet();
              }
          });
  
          final AtomicInteger errorCount = new AtomicInteger();
          TestSubscriber<Integer> ts = new TestSubscriber<Integer>() {
  
              @Override
              public void onComplete() {
                  throw new RuntimeException();
              }
  
              @Override
              public void onError(Throwable e) {
                  errorCount.incrementAndGet();
              }
          };
          SafeSubscriber<Integer> safe = new SafeSubscriber<Integer>(ts);
          safe.onSubscribe(new SubscriptionCancelThrows());
  
  //        try {
  //            safe.onComplete();
  //            Assert.fail();
  //        } catch(UnsubscribeFailedException e) {
  //            assertEquals(2, calls.get());
  //            assertEquals(0, errors.get());
  //        }
      }
  }
  